Pig-compatible three-way butterfly valve

Details Pig-compatible three-way butterfly valve Pig-compatible three-way butterfly valve

1992-06-26

1993-03-16

Rivell, John

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137268, 251298, 251305, 15104062, B08B 904

Patent

active

051935724

ABSTRACT:
A pig-compatible three-way valve designed to be mounted on a fluid transfer conduit for use in oil or petroleum distribution or similar operations. The valve includes a tee-shaped tubular passageway and a valve closure element mounted on a control shaft for controlling fluid flow.

REFERENCES:
patent: 1006260 (1911-10-01), Mueller et al.
patent: 1242621 (1917-10-01), Watkins
patent: 2363177 (1944-11-01), Haffner
patent: 3042360 (1962-07-01), Sneddon
patent: 3539150 (1970-11-01), Conrad
patent: 4073303 (1978-02-01), Foley, Jr.
patent: 4467826 (1984-08-01), Lorentz
patent: 4597415 (1986-07-01), Gieseke
patent: 5035256 (1991-07-01), Le Devehat
patent: 5049063 (1991-09-01), Kishida et al.
patent: 5113895 (1992-05-01), Le Devehat

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